Mini XLR 4Pin TA4F Connector. (Compatible Shure L1, 11, LX1, SC1, U1, UC1, UT1, T1, ULX1, UR1, PG1, KCX, PGX, BLX, SLX, GLX, ULX, QLX, FP, UHF-R Wirelss system.). This is a compact, lightweight headset with a noise canceling electret condenser, boom-mounted microphone.
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